Method copyThenCompare

test/org/apache/pig/data/TestSchemaTuple.java:365–379

(SchemaTupleFactory tf)

    }

    private void copyThenCompare(SchemaTupleFactory tf) throws ExecException {
        SchemaTuple<?> st = tf.newTuple();
        SchemaTuple<?> st2 = tf.newTuple();
        fillWithData(st);
        st2.set(st);
        assertTrue(st.equals(st2));
        assertEquals(st.compareTo(st2), 0);
        st.set(0, null);
        assertFalse(st.equals(st2));
        assertEquals(st.compareTo(st2), -1);
        assertTrue(st.isNull(0));
        st2.set(0, null);
        assertTrue(st.equals(st2));
        assertEquals(st.compareTo(st2), 0);
    }

    /**
     * This ensures that a fresh Tuple out of a TupleFactory